  MathScore EduFighter is one of the best math games on the Internet today. You can start playing for free!

## Long Multiplication - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

See some of our other supported math practice problems.

### Complexity=14

1.
 10   × 7
2.
 9   × 4

### Complexity=20

1.
 18   × 11
2.
 10   × 17

### Complexity=40

1.
 27   × 20
2.
 13   × 39

### Complexity=100

1.
 36   × 42
2.
 66   × 47

### Complexity=300

1.
 190   × 248
2.
 286   × 125

### Complexity=500

1.
 474   × 264
2.
 185   × 203

### Complexity=1000

1.
 580   × 854
2.
 550   × 649

### Complexity=5000

1.
 4236   × 2117
2.
 3806   × 2034

### Complexity=14

1
 10   × 7
Solution
```  10
× 7
70
```
2
 9   × 4
Solution
```   9
× 4
36
```

### Complexity=20

1
 18   × 11
Solution
```   18
× 11
18
18
198
```
2
 10   × 17
Solution
```   10
× 17
70
10
170
```

### Complexity=40

1
 27   × 20
Solution
```   27
× 20
00
54
540
```
2
 13   × 39
Solution
```   13
× 39
117
39
507
```

### Complexity=100

1
 36   × 42
Solution
```    36
× 42
72
144
1512
```
2
 66   × 47
Solution
```    66
× 47
462
264
3102
```

### Complexity=300

1
 190   × 248
Solution
```    190
× 248
1520
760
380
47120
```
2
 286   × 125
Solution
```    286
× 125
1430
572
286
35750
```

### Complexity=500

1
 474   × 264
Solution
```     474
× 264
1896
2844
948
125136
```
2
 185   × 203
Solution
```    185
× 203
555
000
370
37555
```

### Complexity=1000

1
 580   × 854
Solution
```     580
× 854
2320
2900
4640
495320
```
2
 550   × 649
Solution
```     550
× 649
4950
2200
3300
356950
```

### Complexity=5000

1
 4236   × 2117
Solution
```     4236
× 2117
29652
4236
4236
8472
8967612
```
2
 3806   × 2034
Solution
```     3806
× 2034
15224
11418
0000
7612
7741404
```   